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## #4201 2012-09-27 14:57:36

ganesh
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### Re: 10 second questions

Hi bobbym,

The solutions #4334 and #4335 are correct. Marvelous!

#4336. To a sugar solution of 3 liters containing 40% sugar, one liter of water is added. What is the percentage of sugar in the new solution?

#4337. One type of liquid contains 20% water and the second type of liquid contains 35% of water. A glass is filled with 10 parts of first liquid and 4 parts of second liquid. What is the percentage of water in the new mixture in the glass?

Character is who you are when no one is looking.

## #4202 2012-09-27 18:23:38

bobbym

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### Re: 10 second questions

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #4203 2012-09-28 14:42:29

ganesh
Moderator

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### Re: 10 second questions

Hi bobbym,

The solutions #4336 and #4337 are correct. Superlative!

#4338. The price of rice is reduced by 2%. How many kilograms of rice can now be bought for the money which was sufficient to buy 49 kilograms of rice earlier?

#4339. A reduction of 21% in the price of wheat enables a person to buy 10.5 kilograms more for \$100. What is the reduced price per kilogram?

Character is who you are when no one is looking.

## #4204 2012-09-28 16:32:51

bobbym

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### Re: 10 second questions

Hi ganesh;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #4205 2012-09-29 18:21:21

ganesh
Moderator

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### Re: 10 second questions

Hi bobbym,

The solution #4338 is correct. Excellent!

#4340. The price of sugar having gone down by 10%, Sally can buy 6.2 kilograms more for \$279. What is the difference between the original and the reduced price per kilogram?

#4341. In an examination, 34% of the students failed in Mathematics and 42% failed in English. If 20% of the students failed in both the subjects, then what is the percentage of students who passed in both the subjects?

Character is who you are when no one is looking.

## #4206 2012-09-29 20:12:32

bobbym

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### Re: 10 second questions

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #4207 2012-09-30 15:30:40

ganesh
Moderator

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### Re: 10 second questions

Hi bobbym,

The solutions #4340 and #4341 are correct. Excellent!

#4342. Out of 450 students of a school, 325 play football, 175 play cricket and 50 neither play football nor cricket. How many students play both football and cricket?

#4343. In a hotel, 60% had vegetarian lunch while 30% had non-vegetarian lunch and 15% had both types of lunch. If 96 people were present, how many did not eat either type of lunch?

Character is who you are when no one is looking.

## #4208 2012-09-30 21:56:08

bobbym

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### Re: 10 second questions

Hi ganesh;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #4209 2012-10-01 14:51:08

ganesh
Moderator

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### Re: 10 second questions

Hi bobbym,

The solutions #4342 and 4343 are correct. Marvelous!

#4344. In a certain office, 72% of the workers prefer tea and 44% prefer coffee. If each of them prefers tea or coffee and 40 like both, find the total number of workers in the office.

#4345. In an examination, 65% students passed in civics and 60% in history, 40% passed in both of these subjects. If 90 students failed in history and civics both, then what is the total number of students?

Character is who you are when no one is looking.

## #4210 2012-10-01 19:31:28

bobbym

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### Re: 10 second questions

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #4211 2012-10-02 15:22:55

ganesh
Moderator

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### Re: 10 second questions

Hi bobbym,

The solutions #4344 and #4345 are correct. Brilliant!

#4346. Rahul purchased a motorbike at 13/15 of its selling price and sold it at 12% more than its selling price. What is his gain percent?

#4347. A man buys an article for 10% less than its value and sells it for 10% more than its value. What is his gain or loss percent?

Character is who you are when no one is looking.

## #4212 2012-10-02 19:21:16

bobbym

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### Re: 10 second questions

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #4213 2012-10-03 18:03:49

ganesh
Moderator

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### Re: 10 second questions

Hi bobbym,

The solutions #4346 and #4347 are correct. Magnificent!

#4348. If 5% more is gained by selling an article for \$350 than by selling it for \$340, what would be the cost of the article?

#4349. If a man reduces the selling price of a fan from \$400 to \$380, his loss increases by 2%. What is the cost price of the fan?

Character is who you are when no one is looking.

## #4214 2012-10-03 18:13:00

bobbym

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### Re: 10 second questions

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #4215 2012-10-04 14:26:54

ganesh
Moderator

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### Re: 10 second questions

Hi bobbym,

The solutions #4348 and #4349 are correct. Neat work!

#4350. A shopkeeper sells an article at a loss of 12.5%. Had he sold it for \$51.80 more, he would have earned a profit of 6%. Find the cost price of the article.

#4351. The difference between the cost price and sale price of an article is \$240. If the profit is 20%, what is the selling price?

Character is who you are when no one is looking.

## #4216 2012-10-04 16:32:20

bobbym

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### Re: 10 second questions

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #4217 2012-10-04 23:31:40

ShivamS
Super Member

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### Re: 10 second questions

#4336 30
#4337 24%
#4338 50 kilogram
#4339 I think every kg costs \$2
#4340 50 cents
#4341 44%
#4342 100
#4343 24
#4344 250
#4345 600
#4346 29 percent?
#4347 22.2222% Might have missed a 2.
#4348 \$200
#4349 \$1000 So many monetary values.
#4350 \$280
#4349 \$1500
That's it for now!

I have discovered a truly marvellous signature, which this margin is too narrow to contain. -Fermat
Give me a lever long enough and a fulcrum on which to place it, and I shall move the world. -Archimedes
Young man, in mathematics you don't understand things. You just get used to them. - Neumann

## #4218 2012-10-05 15:01:52

ganesh
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### Re: 10 second questions

Hi bobbym and Shivamcoder3013,

The solutions are perfect, bobbym and Shivamcoder3013! Outstanding!

I got

#4352. The cash difference between the selling prices of a article at a profit of 4% and 6% is \$3. Find the ratio of the two selling prices.

#4353. A shopkeeper sells two watches for \$308 each. On one he gets 12% profit and on the other, 12% loss. Find the profit or loss percentage in the entire transaction.

Character is who you are when no one is looking.

## #4219 2012-10-05 17:11:09

bobbym

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### Re: 10 second questions

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #4220 2012-10-06 11:09:29

ShivamS
Super Member

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### Re: 10 second questions

Thanks. Going to post answers every 10 questions

I have discovered a truly marvellous signature, which this margin is too narrow to contain. -Fermat
Give me a lever long enough and a fulcrum on which to place it, and I shall move the world. -Archimedes
Young man, in mathematics you don't understand things. You just get used to them. - Neumann

## #4221 2012-10-06 11:11:58

ShivamS
Super Member

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### Re: 10 second questions

Hmm, sorry to re-post but I believe I mistakenly said 280\$ for 4250. I think the correct answer is \$200.

I have discovered a truly marvellous signature, which this margin is too narrow to contain. -Fermat
Give me a lever long enough and a fulcrum on which to place it, and I shall move the world. -Archimedes
Young man, in mathematics you don't understand things. You just get used to them. - Neumann

## #4222 2012-10-06 15:40:43

ganesh
Moderator

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### Re: 10 second questions

Hi bobbym and Shivamcoder3013,

The solutions #4352 and #4353 are correct, bobbym! Excellent!

#4354. A dishonest dealer professes to sell his goods at cost price. But he uses a false weight and thus gains

%. For a kilogram, what is the weight he uses?

#4355. A shopkeeper professes to sell his goods at cost price bus uses a weight of 800 grams instead of kilogram weight. What is the profit percent he makes?

Character is who you are when no one is looking.

## #4223 2012-10-06 19:08:21

bobbym

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### Re: 10 second questions

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #4224 2012-10-07 17:03:55

ganesh
Moderator

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### Re: 10 second questions

Hi bobbym,

The solutions #4354 and #4355 are correct. Marvelous!

#4356. A shopkeeper cheats to the extent of 10% while buying as well as selling, by using false weights. What is total gain (in percent)?

#4357. A grocer sells rice at a profit of 10% and uses weights which are 20% less than the market weight. What would be the total gain earned by him? (In percent)

Character is who you are when no one is looking.

## #4225 2012-10-07 23:33:47

bobbym

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### Re: 10 second questions

Hi;

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.